[WP 34s] Trapezoidal approximation of area under curve
06-01-2015, 05:36 PM
Post: #3
 Dave Britten Senior Member Posts: 2,065 Joined: Dec 2013
RE: [WP 34s] Trapezoidal approximation of area under curve
(06-01-2015 03:54 PM)Marcus von Cube Wrote:
(06-01-2015 01:53 PM)Marcio Wrote:  Is it possible to have access to data keyed into the calc using the $$\sum +$$ for other procedures other than stat functions?
The SUMS catalog has all the accumulated data ready for access. All commands in this catalog are programmable.

The problem is that the trapezoidal approximation appears to require the individual data points, and not just the sums. You'll probably have to write a custom program that accumulates its own sums, either on the fly, or by using a block of registers to store x and y data points.
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 Messages In This Thread [WP 34s] Trapezoidal approximation of area under curve - Marcio - 06-01-2015, 01:53 PM RE: [WP 34s] Trapezoidal approximation of area under curve - Marcus von Cube - 06-01-2015, 03:54 PM RE: [WP 34s] Trapezoidal approximation of area under curve - Dave Britten - 06-01-2015 05:36 PM RE: [WP 34s] Trapezoidal approximation of area under curve - Thomas Klemm - 06-01-2015, 06:56 PM RE: [WP 34s] Trapezoidal approximation of area under curve - Dieter - 06-02-2015, 09:23 PM RE: [WP 34s] Trapezoidal approximation of area under curve - Marcio - 06-02-2015, 02:46 AM RE: [WP 34s] Trapezoidal approximation of area under curve - Marcio - 06-16-2015, 10:47 AM RE: [WP 34s] Trapezoidal approximation of area under curve - Dieter - 06-16-2015, 11:31 AM RE: [WP 34s] Trapezoidal approximation of area under curve - Thomas Klemm - 06-16-2015, 12:38 PM RE: [WP 34s] Trapezoidal approximation of area under curve - Marcio - 06-16-2015, 12:57 PM

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